From SAM-4, section 5.13 (Sense Data);
“When a command terminates with a CHECK CONDITION status, sense data shall be returned
in the same I_T_L_Q nexus transaction (see 3.1.50) as the CHECK CONDITION status. After
the sense data is returned, it shall be cleared except when it is associated with a unit
attention condition and the UA_INTLCK_CTRL field in the Control mode page (see SPC-4)
contains 10b or 11b.”
SPDK does not set UA_INTLCK_CTRL to 10b or 11b, so we set the unit attention condition
immediately against a single IO or Admin IO after reporting it via a CHECK CONDITION.
Once the failed IO received at iSCSI initiator side, it will be retried. In the case of
resize operation, if there is no IO from iSCSI initiator side, the unit attention
condition will be delayed to report until the first IO is received at the iSCSI target
side.
Meanwhile, we clear the resizing (newly added) flag on our SCSI LUN structure after
first time we report the resize unit attention condition.
The kernel initiator won’t actually resize the corresponding block device automatically.
It will report a uevent, and then you can set up udev rules to trigger a rescan. SPDK
iSCSI initiator will automatically report the LUN size change.
Change-Id: Ifc85b8d4d3fbea13e76fb5d1faf1ac6c8f662e6c
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11086
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Most SCSI hosts, Linux, Windows, VMware, supports 256 LUNs per
device now, and it is not easy to test even if any other non-free
OS or driver supports more than 256 LUNs.
Hence increase the macro constant SPDK_SCSI_DEV_MAX_LUN from 64 to
256. Then we do not need to expose it publicly now. So move it to
lib/scsi/scsi_internal.h.
Update the CHANGELOG together.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: Iacde46c3854f326eebfb8befb47d41fce383b027
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9631
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Change a fixed size array to a linked list to manage LUNs per SCSI
device.
Keep the linked list sorted by LUN ID because this is necessary to
efficiently find the lowest free LUN ID or check the specified LUN is free.
To avoid traversing the linked list twice, change scsi_dev_find_free_lun()
to return the LUN which comes just before where we want to insert an new LUN.
Additionally, previously spdk_scsi_dev_add_lun_ext() had not checked if
the specified LUN ID was duplicated. Fix the bug in this patch.
Add unit test cases for the function scsi_dev_find_free_lun().
These changes will enable the following patches to increase
SPDK_SCSI_DEV_MAX_LUN from 64 to 256 without consuming additional memory.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I7f6f070ddc680127cf86ae255055da2d1d29e4ec
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9630
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This mutex is not used anywhere. After removing mutex from struct
spdk_scsi_globals, struct spdk_scsi_globals is empty. Hence then
remove struct spdk_scsi_globals. We can create struct spdk_scsi_globals
again if it becomes necessary.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I749ae43f7735a7c9383d090eae2093bb52607f17
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8192
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
There is nothing left here, so remove it.
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Change-Id: Ib947d42bc577dbebb4650b1be885e05a80f8f8cf
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4541
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Anil Veerabhadrappa <anil.veerabhadrappa@broadcom.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Community-CI: Broadcom CI
Pass not bdev but bdev_name to scsi_lun_construct() to fix the
race condition due to the time gap between spdk_bdev_get_by_name()
and spdk_bdev_open(). A pointer to a bdev is valid only while the
bdev is opened.
spdk_bdev_open() has been replaced recently by spdk_bdev_open_ext(),
but the issue still existed.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: Ic462422dbc2501c24907f56a36570fbb54fef65b
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4482
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Currently, the scsi bdev only supports the hotremove event,
and the scsi library uses the deprecated `spdk_bdev_open` function.
In this patch, add the resize event support, so the upper layer
could do more actions, like vhost-scsi could notify the guest os.
For the scsi compatibility, add _ext suffix for some public api.
Change-Id: I3254d4570142893f953f7f42da31efb5a3685033
Signed-off-by: Li Feng <fengli@smartx.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4353
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Some OS(Windows and VMWARE esxi) will send SPC2 RESERVE/RELEASE
commands when formatting the filesystems, but in our previous
implementation of reservation feature, we didn't add such support,
in specification SPC3/4, they all include one section "Exceptions to
SPC-2 RESERVE and RELEASE behavior" feature for compatible support of
SCP2 RESERVE/RELEASE, so we add this support now.
Fix issue #1414.
Change-Id: I65d85ffb3b8f824b0ae4e130f53f01d95735d700
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2802
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI
Community-CI: Mellanox Build Bot
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Remove spdk_ prefix from the name of internal APIs.
Add single underscore as the prefix of the function name to the
private functions if we see any conflict as a result of this change.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: If0eabffbdb750db02866c1aa2b29b0c89fab1040
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1824
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Both for SCSI IO task and management task, append and execute
operations bad bbeen separated into different functions.
Append operation was for LUN reset, and separating into two different
functions was for clarification and readability.
LUN reset is sufficiently stable now.
Merging append and execute SCSI task into a single function is good
as API and enables us to do optimization.
For SCSI management task, merge spdk_scsi_lun_append_mgmt_task into
spdk_scsi_lun_execute_mgmt_task() simply.
For SCSI IO task, merge spdk_scsi_lun_append_task into
spdk_scsi_lun_execute_task() and do a small optimization.
The refined spdk_scsi_lun_execute_task() adds the IO task to the
pending list if there is any pending management task, executes all
existing penging IO tasks first and then the IO task if there is any
pending IO task, or executes the IO task directly otherwise.
Update unit test accordingly.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I26ffc4f4f62747d8cdecb90690f26cd58a9c17f7
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1817
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
To avoid the starnge formatting, typedef has been used. But this comment
is hard to get the meaning. So stop breaking after return type for this case.
The strange formating is
struct spdk_scsi_dev *
spdk_scsi_dev_construct(const char *name, const char *bdev_name_list[],
int *lun_id_list, int num_luns, uint8_t protocol_id,
void (*hotremove_cb)(const struct spdk_scsi_lun *, void *),
void *hotremove_ctx)
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I20c30b225b3b96fa9207b4a89e3210c8a97fb1d8
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1050
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
By the recent refactoring, SCSI task is configured when getting
DIF context from SCSI layer. Passing not CDB and offset separately
but SCSI task to SCSI layer is more concise and do in this patch.
In iscsi_send_datain(), we have to update task->scsi.offset for the
case that data is split into a sequence, but the update is no harm
because task has completed what it must to do.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I153352dfa7aa7325db4452f03d863df11b3e0cfa
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/472510
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
All connections to a single LUN run on a single thread but
this thread may not be the same as the one which opened the backed
bdev. So hold pointer to the thread which opened the backed bdev
to struct spdk_scsi_lun and use it when calling spdk_bdev_close().
All resource of LUN are accessed on a single thread after getting
I/O channel, and so lock is not still necessary.
Fixes issue #1024.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: Ifc1e238d333afcde0cdf9e9b4af3b56ef65a4f7d
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/473002
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: yidong0635 <dongx.yi@intel.com>
Refine helper functions spdk_scsi_lun_has_pending_mgmt_tasks() and
spdk_scsi_lun_has_pending_tasks() to be able to check tasks only from the
specific initiator.
SCSI port is used by passing the pointer and so simple pointer
comparison is appropriate in the functions.
Add UT code to test the updated functions.
The next patch will change spdk_scsi_dev_has_pending_tasks() to
get not only SCSI device but also initiator port and make iSCSI
target use the function to fix the issue.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I89c33e05bc6ab21baa6cbebf60950039a3dcecd0
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471336
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
This patch uses the change by the last patch to initialize DIF
context in SCSI layer. Besides this patch changes the name of a
parameter from offset to data_offset to clarify the meaning.
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I54bf1168ec5959432aa15dae0360c0640138b033
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/457541
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
All the SCSI commands have two states: allowed and conflict,
based on different reservation types and I_T nexus, the SCSI
module will check each commands before sending to the backend
device.
Change-Id: Ib05cece1c237873360f85c68d139362200d2d47e
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/436097
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
To establish a persistent reservation the application client shall first
register an I_T nexus with the device server. An application client registers
with a logical unit by issuing a PERSISTENT RESERVE OUT command with REGISTER
service action or REGISTER AND IGNORE EXISTING KEY service action.
Specify Initiator Ports (SPEC_I_PT) bit and All Target Ports (ALL_TG_PT) bit
are not supported for now, the registrants belong to the I_T nexus who sends
the command.
Also Activate Persist Through Power Loss (APTPL) bit will be supported in
following patches.
Change-Id: If057a764a4bfa73017f98048c94b697dbfa4b4a1
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/436088
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This is the end of the patch series. After this patch,
delete_target_node RPC will wait for the completion of
removal of the SCSI device and then free the iSCSI target.
SCSI device holds passed callback and calls it in free_dev().
free_dev() is ensured to be called after all iSCSI sessions
are closed. So iSCSI target resource can be freed safely
after that.
Change-Id: I25921b4014207092b7b3845dfeae58bcdffa2edc
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450607
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
The next patch will add the function ponter typedef
spdk_scsi_dev_destruct_cb for SCSI device destruction.
Hence add lun to the names of descriptors and callback for SCSI
LUN for clarification.
This patch doesn't change any behavior.
Change-Id: I73f2bce9129f7a6f16770ab6ed18428b16589108
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450883
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
This patch adds an API spdk_scsi_bdev_get_dif_ctx().
spdk_scsi_bdev_get_dif_ctx() decodes opcode in CDB, and if opcode
is read or write block commands, it gets LBA and use the lower
32bits of LBA as Reference Tag. It gets DIF information from
specified bdev next. Then it sets all to DIF context and return.
spdk_scsi_bdev_get_dif_ctx() is exported to iSCSI through
spdk_scsi_lun_get_dif_ctx().
Change-Id: Id8aac164c48e9e9d4ff7cfc9fa81bb5090f3e187
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/446224
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
IO submissions to backends have to complete first in LUN reset.
Previous patch makes the waiting time limited.
LUN reset don't use timeout for now because even if LUN reset reports
timeout, error handling of the initiator will be escalated and the
initiator will issue stronger command and will wait eventually
until all outstanding tasks completed.
Besides, not using timeout in LUN reset will make implementation simple.
If timeout becomes necessary, I'll do it in the separate patch later.
Change-Id: Ie9e4502068c19b1727ea65dc773ddf08cedec7c4
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/434766
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Submission queue deleted by https://review.gerrithub.io/393911
is necessary to support proper LUN reset.
Hence revert the removal in this patch.
And using the submission queue, suspend IO task submission during
LUN reset to limit completion time of LUN reset.
Change-Id: I3cdc4f0165fe845637112c2900407d6b4a09df79
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/434765
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Task management functions don't require performance. Serializing
execution of task managment functions will sipmlify and stabilize
the logic and will be helpful for upcoming patches to support
other task management functions.
This patch introduces two queues, pending and submitted queue,
and serializes LUN reset exection and makes LUN hot removal
wait for LUN reset.
Besides, checking if LUN is NULL is moved to the upper layer as
same as IO task submission.
Change-Id: Ia0cf3f437a745ee70fc9b17744cc63c833690dda
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/434764
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Current SPDK SCSI supports only LUN RESET in task management function.
Upcoming patches will support other functions too but differentiate
the callback function about LUN reset from other task management
functions for now to avoid misunderstanding.
Change-Id: If8f00ce413fbcc54b12dd885cbf01597f83a2af9
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/434763
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This is a preparation to the next patch.
Change-Id: Ia7af66ba129a4666730f94be64d3699cded65e09
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/434762
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
SCSI persistent reservation feature need to get the TransportID
for the I_T nexus, so when creating initiator port we also
set the TransportID according to the specification, while here,
we use the format code 0x1 for the TransportID.
Change-Id: Ib45bec04bf0e33e2b0f611dd3846597f4176d069
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/435212
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Use a descriptor got by opening the LUN to allocate IO channel of the LUN.
This requires opening the LUN is done before allocating IO channel of the
LUN.
Use the descriptor to free IO channel of the LUN too.
Additionally, assert is added to the close LUN function to check if
IO channel is freed before the last close LUN function is called.
Change-Id: Iafb2f9ce790fff25801ea45b3286f3e26943807b
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/417807
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
To remove a LUN safely for iSCSI multiple connections, each connection
must return I/O channel after checking completion of all tasks.
Open/close mechanism provides a way to register callback to do it.
Registered callback will be called after checking completion of
outstanding tasks.
Making the close LUN function public is necessary to support hot removal.
Change-Id: I06d50d016b0b7aba0d081da226f5b2e0c911629e
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/417198
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
SCSI reset function return code is not used,
so there is no need for it to have return code.
Change-Id: Ib647109c75b1546675d2601fa00004e1ef186024
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.gerrithub.io/418615
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
IO channel for LUN is used for hot removal as it is emphasized in the
previous patches.
In iSCSI, a SCSI device has multiple LUNs. So freeing only the IO channel
of a LUN must be possible.
Change-Id: I5b355200b4e173512a5aa4b7351534faf8839eef
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/417197
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
spdk_thread is recommended to be used in SPDK library.
Change-Id: I5b75f390ddb2069e1266a3fc4f28732b281df725
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/416482
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Change the name of hot plug to hot remove not to confuse.
Change-Id: Ifc8de3452de72a08eba0e9ea942217e5342b2ef4
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/414352
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Automatically detect more whitespace errors.
All existing cases are fixed; only whitespace change (verify with
diff -w) except for one comment style fixup in include/spdk/nvme.h.
Change-Id: If750e54b9c8e3421ea6feda5f20184a31431631e
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/402360
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
bdev hotremove event is send directly to hotremove callback given
during spdk_scsi_dev_construct() call. So any bdev hotremove might be
promoted to whole SCSI device removal (like in vhost) wich will trigger
LUN removal. But after returning from hotremove callback LUN and device
might be still referenced (eg to register poller or by outstanding IO).
Even worse: spdk_scsi_dev object is not dynamicaly allocated but
returned from static array which mean there is no way to detect
use-after-free error on spdk_scsi_dev by any tool. This might lead to
using SCSI device that is freed or assigned to different device.
To fix this:
- always delete LUN using hotremove path
- defer spdk_scsi_dev delete/removal after all LUNS are really
deleted.
Change-Id: I65598bf42cd507f620095dff5d32509a0424d060
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/393674
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
There is no need to keep a lun name anymore - we always
use the bdev name as the lun name so it is not providing any
additional value. This also keeps us from associating
the same bdev with different LUNs on different iSCSI target
nodes or vhost-scsi controllers.
Side effect of this change is:
1) Use "bdev_name" across the APIs to make it more clear
what these names refer to.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I3d42fde22087352ce1d5dc80178bd8c5cac8cb7c
Reviewed-on: https://review.gerrithub.io/390843
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Removed task `pending` queue. All tasks were
temporarily put in this queue just to be moved
out of it yet within the same reactor cycle.
Change-Id: I32d402f7abd3cfa21c263f41149425abdc71992f
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/393911
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Retrieve LUN data directly from struct spdk_scsi_lun rather than copying
them into struct spdk_scsi_task, and access the LUN via the task->lun
pointer.
Change-Id: Id8745f116bc559fb2f9e58811c2b9781c8cbdae8
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/393709
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
it appears that scsi name string designator
format in SPDK is not correct. The name strings
are not null terminated (which causees garbage
to appear in scsi_inq -p 0x83). Further, they
are not padded correctly.
SCSI port name and device name strings must be null
terminated. Further, the length must be a multiple
of 4 bytes, and must be padded with 0s.
See SPC-5 Section 7.7.6.11.
Change-Id: Id7c4ad27e5c3a17ad68e5e466142801c0d03b1f2
Signed-off-by: Karandeep Chahal <devilsgrotto@gmail.com>
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/393027
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
When LUN with no io_channels is being hotremoved,
the hotremove poller was being started on the core
pointed by lun->lcore. However, this field is only
valid when there are io_channels open. For example,
when user tries to delete a bdev that's attached to
an unused vhost controller (no io_channels ever opened)
the scsi layer could start a hotremove poller on
lun->lcore == 0. If SPDK runs on a different cpuset -
not containing CPU0 - SPDK could even segfault.
Change-Id: I31a363352875d944f220b0296d5cfe570319023d
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/371863
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
In principle, we should not have active tasks, which means
that lun->tasks should be empty. But for the exceptional case,
we may still need to handle those active tasks, to make
the scsi related application continue running instead of quit.
We should not directly call spdk_scsi_lun_complete_task since
those tasks are already sent to bdev layer. And finally, those
tasks will be return (even aborted) by call backs. So we only need to
set task status to condition, but
not call spdk_scsi_lun_complete_task directly.
Change-Id: I6af2bda0f0b1de7b0c655d2ac2980ddca48c1162
Signed-off-by: Ziye Yang <optimistyzy@gmail.com>
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/386817
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Struct spdk_scsi_lun has the claimed flag as a member.
However the claimed flag is no longer required.
Moreover the claimed flag itself is not used but
spdk_scsi_lun_claim() and _unclaim() functions are used in the
UT code by hard to understand manner. Moving the logic into
spdk_scsi_lun_construct() and _destruct() in the UT code will
be more natural.
Hence remove the claimed flag from LUN and do a little refactoring
in the UT code.
Change-Id: Ica9680b49bbdb5be7c5c4161210fb3a6dcb35229
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/390566
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Current implementation supports only adding port to scsi_dev.
This change is required to support dynamic remapping of portals.
Change-Id: Idce49aeae43c8861ebe2807df853694f7bacf884
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/379931
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
This reverts commit d3828a23ec.
GitHub issue #202 reports that this causes a crash with two or more
iSCSI connections on the same LUN.
Change-Id: I9ffb85d393eb506aac9d176299a3b3bcf021a38c
Reviewed-on: https://review.gerrithub.io/379866
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
spdk_bdev_get_io_channel() already handles this.
Change-Id: I6b28fe10b86b00762ff15324fcd0a32aae94e012
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/376267
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
None of these make sense as global parameters - they're
all only configurable per-disk. This is a large simplification
and removes the SCSI library's dependency on the config
file entirely.
Change-Id: I1236158a23fa49e437938c51022b13772e404561
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/371598
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This is far simpler, although it does limit the bdev
layer to unmapped just one range per command. In practice,
all of our code reports limits of just one range per command
anyway.
Change-Id: I99247ab349fe85b9925769e965833b06708d0d70
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/370382
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
